A TV movie about the launch of Doctor Who 50 years ago will mark the show’s 50th anniversary, according to Deadline. The movie, An Adventure in Space and Time, will star David Bradley as First Doctor William Hartnell, with Brian Cox as BBC drama head Sydney Newman, Jessica Raine as producer Verity Lambert, and Sacha Dhawan as Waris Hussein, the director of the first episode. Bradley played Angus Filch in the Harry Potter films, and has also appeared on geek faves The Walking Dead and Game of Thrones.

Shooting will start in February and the movie is expected to hit TV before the end of the year. The first episode aired November 23, 1963.